g^2+20g+46=0

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Solution for g^2+20g+46=0 equation:


Simplifying
g2 + 20g + 46 = 0

Reorder the terms:
46 + 20g + g2 = 0

Solving
46 + 20g + g2 = 0

Solving for variable 'g'.

Begin completing the square.

Move the constant term to the right:

Add '-46' to each side of the equation.
46 + 20g + -46 + g2 = 0 + -46

Reorder the terms:
46 + -46 + 20g + g2 = 0 + -46

Combine like terms: 46 + -46 = 0
0 + 20g + g2 = 0 + -46
20g + g2 = 0 + -46

Combine like terms: 0 + -46 = -46
20g + g2 = -46

The g term is 20g.  Take half its coefficient (10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
20g + 100 + g2 = -46 + 100

Reorder the terms:
100 + 20g + g2 = -46 + 100

Combine like terms: -46 + 100 = 54
100 + 20g + g2 = 54

Factor a perfect square on the left side:
(g + 10)(g + 10) = 54

Calculate the square root of the right side: 7.348469228

Break this problem into two subproblems by setting 
(g + 10) equal to 7.348469228 and -7.348469228.

Subproblem 1

g + 10 = 7.348469228 Simplifying g + 10 = 7.348469228 Reorder the terms: 10 + g = 7.348469228 Solving 10 + g = 7.348469228 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + g = 7.348469228 + -10 Combine like terms: 10 + -10 = 0 0 + g = 7.348469228 + -10 g = 7.348469228 + -10 Combine like terms: 7.348469228 + -10 = -2.651530772 g = -2.651530772 Simplifying g = -2.651530772

Subproblem 2

g + 10 = -7.348469228 Simplifying g + 10 = -7.348469228 Reorder the terms: 10 + g = -7.348469228 Solving 10 + g = -7.348469228 Solving for variable 'g'. Move all terms containing g to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + g = -7.348469228 + -10 Combine like terms: 10 + -10 = 0 0 + g = -7.348469228 + -10 g = -7.348469228 + -10 Combine like terms: -7.348469228 + -10 = -17.348469228 g = -17.348469228 Simplifying g = -17.348469228

Solution

The solution to the problem is based on the solutions from the subproblems. g = {-2.651530772, -17.348469228}

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